Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban thanh » ban hang
ban hanh » ban hang
cham duc » cham soc, pham duy, phan duc
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
hai cua » thai cua, dai cua, hoi cua
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky tang xa hoi. hieu ve ((cham duc) or (pham duc)) ((ban thanh) or (ban hanh)) hai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky tang xa hoi. hieu ve ((cham duc) OR (pham duc)) ((ban thanh) OR (ban hanh)) hai cua triet.
• Adding a wildcard symbol may retrieve word variants: su sac ky tang xa hoi. hieu ve ((cham duc) or (pham duc)) ((ban thanh) or (ban hanh)) hai cua triet*.